Data | |||
Tire pressure/ psi | |||
33 | |||
35 | |||
31 | |||
34 | |||
27 | |||
25 | |||
31 | |||
28 | |||
30 | |||
33 | |||
30 | |||
31 | |||
29 | |||
32 | |||
28 | |||
Mean from frequency distribution | |||
Grade bins | Freq | RF or P(x) | x*p(x) |
168 | 112 | __________ | __________ |
316 | 658 | __________ | __________ |
464 | 1172 | __________ | __________ |
612 | 332 | __________ | __________ |
760 | 123 | __________ | __________ |
Sums: | _____ | __________ | __________ |
Linear regression | |||
Pressure/PSI | Load/lbs | ||
20 | 992 | ||
23 | 1062 | ||
26 | 1123 | ||
29 | 1183 | ||
32 | 1243 | ||
35 | 1302 |